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Code Issues Wiki Activity

Normalize pathes without using replaceAll()

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This commit is contained in:
Martin Oberhuber 2006-10-31 13:54:18 +00:00
parent 4d9a2ca002
commit 30597f0987
1 changed files with 54 additions and 42 deletions
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96
rse/plugins/org.eclipse.rse.services/clientserver/org/eclipse/rse/services/clientserver/PathUtility.java
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@ -11,8 +11,8 @@
* Emily Bruner, Mazen Faraj, Adrian Storisteanu, Li Ding, and Kent Hawley.
*
* Contributors:
* Martin Oberhuber (Wind River) - Fix for bug 161844 - regex matching backslashes
*
* Martin Oberhuber (Wind River) - Fix 161844 - regex matching backslashes
* Martin Oberhuber (Wind River) - Fix 162781 - normalize without replaceAll()
********************************************************************************/
package org.eclipse.rse.services.clientserver;
@ -35,26 +35,32 @@ public class PathUtility
if (path.indexOf("\\\\") != -1) containsDoubleSlashes = true; //$NON-NLS-1$
if (path.endsWith("\\") || path.endsWith("/")) endsWithSlash = true; //$NON-NLS-1$ //$NON-NLS-2$
boolean needsNormalizing = containsForwardSlash || containsDoubleSlashes || endsWithSlash;
if (!needsNormalizing) return path;
if (containsForwardSlash)
{
path = path.replace('/', '\\');
containsDoubleSlashes = (path.indexOf("\\\\") != -1); //$NON-NLS-1$
}
while (containsDoubleSlashes)
{
//TODO Improve performance by manually iterating over char array
//need to quote once for the string, then again for the regex
//Replace "\\" by "\": Regex matcher needs quoting twice in search, once in replacement
path = path.replaceAll("\\\\\\\\", "\\\\"); //$NON-NLS-1$ //$NON-NLS-2$
containsDoubleSlashes = (path.indexOf("\\\\") != -1); //$NON-NLS-1$
}
if (endsWithSlash)
{
if (!(path.length() == 3)) path = path.substring(0, path.length() - 1);
if (containsForwardSlash || containsDoubleSlashes) {
//Replace /->\, then replace \\->\
StringBuffer buf = new StringBuffer(path.length());
boolean foundBackslash=false;
for (int i=0; i<path.length(); i++) {
char c = path.charAt(i);
if (c=='/') {
c='\\';
}
if (c=='\\') {
if (!foundBackslash) {
foundBackslash=true;
buf.append(c);
}
} else {
foundBackslash=false;
buf.append(c);
}
}
if (endsWithSlash && buf.length()!=3) {
buf.deleteCharAt(buf.length()-1);
}
path = buf.toString();
} else if (endsWithSlash && path.length()!=3) {
//remove trailing slash only
path = path.substring(0, path.length() - 1);
}
return path;
}
@ -71,28 +77,34 @@ public class PathUtility
if (path.indexOf("//") != -1) containsDoubleSlashes = true; //$NON-NLS-1$
if (path.endsWith("\\") || path.endsWith("/")) endsWithSlash = true; //$NON-NLS-1$ //$NON-NLS-2$
boolean needsNormalizing = containsBackSlash || containsDoubleSlashes || endsWithSlash;
if (!needsNormalizing) return path;
if (containsBackSlash)
{
path = path.replace('\\', '/');
containsDoubleSlashes = (path.indexOf("//") != -1); //$NON-NLS-1$
}
while (containsDoubleSlashes)
{
//TODO Improve performance by manually iterating over char array
path = path.replaceAll("//", "/"); //$NON-NLS-1$ //$NON-NLS-2$
containsDoubleSlashes = (path.indexOf("//") != -1); //$NON-NLS-1$
}
if (endsWithSlash)
{
if (!(path.length() == 1)) path = path.substring(0, path.length() - 1);
if (containsBackSlash || containsDoubleSlashes) {
//Replace \->/, then replace //->/
StringBuffer buf = new StringBuffer(path.length());
boolean foundSlash=false;
for (int i=0; i<path.length(); i++) {
char c = path.charAt(i);
if (c=='\\') {
c='/';
}
if (c=='/') {
if (!foundSlash) {
foundSlash=true;
buf.append(c);
}
} else {
foundSlash=false;
buf.append(c);
}
}
if (endsWithSlash && buf.length()!=1) {
buf.deleteCharAt(buf.length()-1);
}
path = buf.toString();
} else if (endsWithSlash && path.length()!=1) {
//remove trailing slash only
path = path.substring(0, path.length() - 1);
}
return path;
}
public static String normalizeVirtualWindows(String path)